Base | Representation |
---|---|
bin | 10000111110101… |
… | …11101010101001 |
3 | 100221000202111101 |
4 | 20133113222221 |
5 | 242431104004 |
6 | 22045001401 |
7 | 3346505155 |
oct | 1037275251 |
9 | 327022441 |
10 | 142441129 |
11 | 7344a146 |
12 | 3b853261 |
13 | 236834bc |
14 | 14cbc065 |
15 | c789ba4 |
hex | 87d7aa9 |
142441129 has 4 divisors (see below), whose sum is σ = 144567184. Its totient is φ = 140315076.
The previous prime is 142441109. The next prime is 142441171. The reversal of 142441129 is 921144241.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 142441129 - 211 = 142439081 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142441097 and 142441106.
It is not an unprimeable number, because it can be changed into a prime (142441109) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062927 + ... + 1063060.
It is an arithmetic number, because the mean of its divisors is an integer number (36141796).
Almost surely, 2142441129 is an apocalyptic number.
It is an amenable number.
142441129 is a deficient number, since it is larger than the sum of its proper divisors (2126055).
142441129 is an equidigital number, since it uses as much as digits as its factorization.
142441129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2126054.
The product of its digits is 2304, while the sum is 28.
The square root of 142441129 is about 11934.8702967397. The cubic root of 142441129 is about 522.2500245765.
The spelling of 142441129 in words is "one hundred forty-two million, four hundred forty-one thousand, one hundred twenty-nine".
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